The crossword solution for the term 'TILL THE ___ COME HOME' is COWS, which is a four-letter word. This phrase is a reference to the popular song 'When the COWS Come Home' by American country music artist John Anderson. The song was released in 1983 and is about a man who is waiting for his lover to return home. The phrase 'till the COWS come home' is used to describe a situation where someone is waiting for something to happen for a very long time.